Verified Commit 0b96dace authored by Bob Owen's avatar Bob Owen Committed by ma1
Browse files

Bug 2045767 - a=dmeehan DONTBUILD 

Original Revision: https://phabricator.services.mozilla.com/D305931

Differential Revision: https://phabricator.services.mozilla.com/D310114
parent 7386233a

dom/canvas/DrawTargetWebgl.cpp

+11 −5
Original line number Diff line number Diff line
@@ -4863,14 +4863,20 @@ bool DrawTargetWebgl::ReadIntoSkia() { 
    } else {

      // If there's no existing snapshot and we can successfully map the Skia

      // target for reading, then try to read into that.

      bool readInto = false;

      if (!mSnapshot && mSkia->LockBits(&data, &size, &stride, &format)) {

        (void)ReadInto(data, stride);

        if (size == GetSize()) {

          readInto = ReadInto(data, stride);

        }

        mSkia->ReleaseBits(data);

      } else if (RefPtr<SourceSurface> snapshot = Snapshot()) {

      }

      if (!readInto) {

        if (RefPtr<SourceSurface> snapshot = Snapshot()) {

          // Otherwise, fall back to getting a snapshot from WebGL if available

          // and then copying that to Skia.

          mSkia->CopySurface(snapshot, GetRect(), IntPoint(0, 0));

        }

      }

      didReadback = true;

    }

  }